![Mast bumping, loose clothing implicated in helicopter crashes that killed Wallis brothers - Vertical Mag Mast bumping, loose clothing implicated in helicopter crashes that killed Wallis brothers - Vertical Mag](https://assets.verticalmag.com/wp-content/uploads/2018/12/AO-2018-006-R44-Wanaka-Photo-taken-Apr-2013-copyright-Patrick-Weis.jpg)
Mast bumping, loose clothing implicated in helicopter crashes that killed Wallis brothers - Vertical Mag
![Danger spins from the sky: The Robinson R44, the world's best-selling civilian helicopter, has a long history of deadly crashes - Los Angeles Times Danger spins from the sky: The Robinson R44, the world's best-selling civilian helicopter, has a long history of deadly crashes - Los Angeles Times](https://www.latimes.com/projects/la-me-robinson-helicopters/static/la-me-g-robinson-heli-mast-bumping-highlight.jpg)
Danger spins from the sky: The Robinson R44, the world's best-selling civilian helicopter, has a long history of deadly crashes - Los Angeles Times
Why are helicopters with teetering rotors vulnerable to mast bump in flight when the rotor disc is unloaded, but not on the ground when it is also unloaded? - Quora
![Danger spins from the sky: The Robinson R44, the world's best-selling civilian helicopter, has a long history of deadly crashes - Los Angeles Times Danger spins from the sky: The Robinson R44, the world's best-selling civilian helicopter, has a long history of deadly crashes - Los Angeles Times](https://www.latimes.com/projects/la-me-robinson-helicopters/static/la-me-g-robinson-heli-mast-bumping.gif?f00=2)
Danger spins from the sky: The Robinson R44, the world's best-selling civilian helicopter, has a long history of deadly crashes - Los Angeles Times
Inquiry AO-2014-006: Robinson R44 II, ZK-HBQ, mast-bump and in-flight break-up, Kahurangi National Park, 7 October 2014
ACCIDENT Aircraft Type and Registration: Bell 206B Jet Ranger II, G-RAMY No & Type of Engines: 1 Allison 250-C20 turboshaf
![Terran G. on Twitter: "#roblox #robloxdev #Jailbreak for most of you who don't know what mast bumping is it happen on two blade helicopter that can Damage or destroy the main rotor Terran G. on Twitter: "#roblox #robloxdev #Jailbreak for most of you who don't know what mast bumping is it happen on two blade helicopter that can Damage or destroy the main rotor](https://pbs.twimg.com/media/DyG3ckrX4AEPmlb.jpg)